TY - JOUR AU - I. S. Shraifel' AU - I. M. Mal'tsev TI - Criteria for basic simple-connectedness and their application to the solvability of the convolution equation JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2001 SP - 57 EP - 64 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2001_7_a7/ LA - ru ID - IVM_2001_7_a7 ER -